Consider the following statements with reference to Reverse Osmosis (RO):
- Reverse Osmosis is a technology that is used to remove a large majority of contaminants from water by pushing the water through a semi-permeable membrane.
- Unlike osmosis, which is a passive process, reverse osmosis requires external force (pressure) to work.
Choose the correct answer from the codes given below:
Both 1 and 2
Neither 1 nor 2